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authorLeilei Shang <shangll@marvell.com>2015-07-14 13:06:40 +0530
committerWolfram Sang <wsa@the-dreams.de>2015-08-10 08:37:29 +0200
commitabf8a1fba9a48535595857ed46ad642272eea05c (patch)
tree30c7959e92f623f749b9e8e3d9f70795b13d4b2f
parent5faf6e1f58b4488a8b24a722ccf317ed67a8e8d8 (diff)
i2c: pxa: keep i2c irq ON in suspend
During suspend there may still be some i2c access happening, as the interrupt is shared between multiple drivers. And if we don't keep i2c irq ON, there may be i2c access timeout if i2c is in irq mode of operation. Signed-off-by: Raul Xiong <xjian@marvell.com> Signed-off-by: Xiaofan Tian <tianxf@marvell.com> [vaibhav.hiremath@linaro.org: updated Changelog] Signed-off-by: Vaibhav Hiremath <vaibhav.hiremath@linaro.org> Cc: Wolfram Sang <wsa@the-dreams.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
-rw-r--r--drivers/i2c/busses/i2c-pxa.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
index d9c0d6a17ad6..f4ac8c595a45 100644
--- a/drivers/i2c/busses/i2c-pxa.c
+++ b/drivers/i2c/busses/i2c-pxa.c
@@ -1232,8 +1232,9 @@ static int i2c_pxa_probe(struct platform_device *dev)
i2c->adap.algo = &i2c_pxa_pio_algorithm;
} else {
i2c->adap.algo = &i2c_pxa_algorithm;
- ret = request_irq(irq, i2c_pxa_handler, IRQF_SHARED,
- dev_name(&dev->dev), i2c);
+ ret = request_irq(irq, i2c_pxa_handler,
+ IRQF_SHARED | IRQF_NO_SUSPEND,
+ dev_name(&dev->dev), i2c);
if (ret)
goto ereqirq;
}